What is ‘ps’ command for?
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What do you mean by zambie process?
How do you remove a directory?
What is nr in awk command?
what are the uses of filters?
what is the difference between pipe(|) and tee command..
How to know a process is a zombie or orphan process?
what are the different operating systems available?
In vi editor how do you execute unix commands?
What will the following command do?
What does find command return in unix?
How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?
What is “chmod” command?